[llvm] r179968 - When we strength reduce an objc_retainBlock call to objc_retain, increment NumPeeps and make sure that Changed is set to true.

[Michael Gottesman]

Author: mgottesman
Date: Sat Apr 20 19:50:27 2013
New Revision: 179968

URL: http://llvm.org/viewvc/llvm-project?rev=179968&view=rev
Log:
When we strength reduce an objc_retainBlock call to objc_retain, increment NumPeeps and make sure that Changed is set to true.

Modified:
    llvm/trunk/lib/Transforms/ObjCARC/ObjCARCOpts.cpp

Modified: llvm/trunk/lib/Transforms/ObjCARC/ObjCARCOpts.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Transforms/ObjCARC/ObjCARCOpts.cpp?rev=179968&r1=179967&r2=179968&view=diff
==============================================================================
--- llvm/trunk/lib/Transforms/ObjCARC/ObjCARCOpts.cpp (original)
+++ llvm/trunk/lib/Transforms/ObjCARC/ObjCARCOpts.cpp Sat Apr 20 19:50:27 2013
@@ -1383,12 +1383,17 @@ ObjCARCOpt::OptimizeRetainBlockCall(Func
   if (!IsRetainBlockOptimizable(Inst))
     return false;
 
+  Changed = true;
+  ++NumPeeps;
+
+  DEBUG(dbgs() << "Strength reduced retainBlock => retain.\n");
+  DEBUG(dbgs() << "Old: " << *Inst << "\n");
   CallInst *RetainBlock = cast<CallInst>(Inst);
   RetainBlock->setCalledFunction(getRetainCallee(F.getParent()));
   // Remove copy_on_escape metadata.
   RetainBlock->setMetadata(CopyOnEscapeMDKind, 0);
   Class = IC_Retain;
-
+  DEBUG(dbgs() << "New: " << *Inst << "\n");
   return true;
 }